TM 5-3895-385-23-1
FIELD MAINTENANCE
BITUMINOUS MATERIAL PAVING MACHINE (BMPM)
HORN RELAY FAULT
INITIAL SETUP:
Test Equipment
References -- Continued
Multimeter (WP 0440, Vol 3, Item 37)
WP 0373, Vol 2
Personnel Required
WP 0399, Vol 2
91L
WP 0443, Vol 3
Assistant
WP 0447, Vol 3
References
WP 0451, Vol 3
Equipment Conditions
WP 0277, Vol 2
Engine off (TM 5-3895-385-10)
WP 0279, Vol 2
Hydraulic oil cool (TM 5-3895-385-10)
TROUBLESHOOTING PROCEDURES
Table 1. Horn Relay Fault Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Screed Controller Offline fault
1. Turn keyless engine switch to
indicated on fault screen.
the AUX position (TM 5-3895-
385-10), but do not start engine.
2. Check fault screen for SCREED
1. If fault is found, proceed to WP
CONTROLLER OFFLINE fault.
2. If no fault is found, proceed to
next malfunction.
2. Relay malfunction.
1. Access fuse box (WP 0277, Vol
2).
2. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
3. Press and hold horn key using
horn keypad on pedestal top
(TM 5-3895-385-10).